The calculator will have a working keyboard, with a layout familiar to anyone who’s ever used a real calculator. When you press a key the display will update in real time. I also wanted to have a selection of common mathematical functions on the calculator keyboard. And most of all I wanted it to be(…)

Some work in progress to cover up the internals of the digit mechanism with plates to only show the segment faces through. Not perfect yet. I need to make the frame more robust and come up with a clean modular way to cover up the face of each digit.

An exciting update on my Giant Lego Calculator project; I’ve succeeded in making a 7 segment display unit count upwards and also attached keys that change the value on the digit when you press them. This is a huge step forward after a lot of failed prototypes! Watch it in action In this first video(…)